.header {
    display: flex;
    flex-direction: row;
    height: 78px;
    width: 960px;
    justify-content: space-between;
    align-items: center;
    margin: 0 auto;
}

.header div:nth-child(1) {
    flex: 1;
}

.logo {
    height: 78px;
    width: auto;
    text-align: center;
    display: flex;
    align-items: center;
}

.nav-word {
    height: 32px;
    width: 120px;
    background-color: #F0F9FF;
    color: #0099F2;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-left: 5px;
    margin-right: 20px;
}

.nav-word p {
    text-align: center;
}

.back {
    width: 960px;
    height: 500px;
    background-color: #008BED;
    margin: 0 auto;
    /* flex */
    display: flex;
    flex-wrap: nowrap;
    justify-content: space-around;
}

.phone {
    flex: 1;
    padding-top: 52px;
    margin-left: 30px;
}

.word {
    justify-content: center;
    align-items: center;
    margin-top: 15%;
}

.word h1 {
    color: #fdfdfd;
    line-height: 40px;
    font-size: 40px;
}

.word p {
    font-size: 16px;
    line-height: 26px;
    color: #99d1f8;
}

.nav-header {
    height: 100px;
    width: 960px;
    /* flex */
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: 0 auto;
}

.intro-start {
    font-size: 24px;
    color: #000;
}

.intro-end {
    font-size: 24px;
    color: #CCCCCC;
}

.nav {
    width: 960px;
    height: auto;
    margin: 0 auto;
    background-color: #F9F9F9;
    display: flex;
    justify-content: space-around;
    align-items: flex-start;
    flex-wrap: wrap;
}

.content {
    width: 300px;
    height: 374px;
    display: flex;
    justify-content: start;
    align-items: flex-start;
    flex-wrap: wrap;
    background-color: white;
    margin-top: 20px;
}

.image {
    height: 260px;
    width: 260px;
}

.nangao {
    width: 260px;
    height: 260px;
    padding-left: 20px;
    padding-top: 20px;
}

.paragraph {
    text-align: center;
    margin: 0 auto;
}

.vase {
    width: 900px;
    height: 50px;
    background-color: #E8EEF2;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
}

.vase p {
    text-align: center;
    color: #59ABDF;
    font-weight: 400;
    font-size: 20px;
    line-height: 62px;
}

.footer {
    width: 960px;
    height: 265px;
    background-color: #E5E5E5;
    margin: 0 auto;
    margin-top: 30px;
    /* flex  */
    display: flex;
    justify-content: space-around;
    align-items: flex-start;
    flex-wrap: wrap;
}

.footer-word-p1 {
    width: 710px;
    height: 210px;
    padding-top: 32px;
    font-size: 14px;
    line-height: 25px;
}

.footer-word p {
    width: 710px;
    height: auto;
    margin-top: 15px;
    font-size: 14px;
    line-height: 25px;
}

.footer-img {
    width: 141px;
    height: 170px;
    margin-top: 32px;
}

.footer-img-img {
    width: 141px;
    height: 152px;
}

.footer-img p {
    text-align: center;
}